<h3>Purpose/Objective(s)</h3> The time between physician treatment plan approval and patient treatment initiation is often too short in our current Radiation Oncology practice. This reflects inconsistencies in the timeframe of task completion between CT simulation and treatment plan approval, the first and last steps in a complex, multi-step planning workflow in Radiation Oncology. This poses challenges in terms of the QA and plan checks needed prior to treatment initiation, with potential implications for patient safety. Our goal was to implement a sustainable and clear departmental process that would increase the percentage of plans approved by the attending Radiation Oncologist 1 full business day prior to treatment start for all non-urgent patients. Secondary goals included a reduction in last-minute patient delays and improvement in team member engagement and satisfaction. <h3>Materials/Methods</h3> We established realistic timelines for each task from simulation to treatment initiation, while setting a cutoff time for implementing patient appointment delay when expectations were not met. Treatment site, technique, and complexity-specific timelines were built by our team based on 4 major factors: 1) Clinical Urgency, 2) Task Complexity, 3) Evaluation of "task completion" data from a large cohort of previously treated patients, and 4) Interviews with all team members involved in the treatment planning process. These timelines were generated in a visual task management tool, and were linked as serial or parallel to keep the entire team on schedule for each patient. Prior to implementation, appropriate departmental meetings were held to discuss these changes, with extensive team member feedback utilized to generate the new policy. Timelines were generated that ranged from 5 to 12 working days, with clear goals and guidelines for each involved team member regarding their task(s). Our overarching goal, termed "Plan Readiness", was to achieve an electronically approved treatment plan 1 full working day prior to treatment start for > 90% of our patients. Appropriate exclusions were made for emergencies and special/new procedures in the department. <h3>Results</h3> For the 5 months prior to implementation, our baseline data demonstrated that 71% of plans were electronically approved in our treatment planning system greater than 24 hours prior to treatment start. After implementation of our new "Plan Readiness" process in March 2021, we have been able to stay above 90% pass rate, with a cumulative average of 94.6% over an ongoing 10-month timeframe. <h3>Conclusion</h3> The design and execution of data-driven timelines and visual guidance tools, combined with a team-based approach of communication and open feedback, has resulted in preliminary favorable outcomes in achieving timely "Plan Readiness" in our relatively large, hospital-based Department of Radiation Oncology. Future directions include the use of analytics software and automated data collection to perform more robust assessments.
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